obama, michelle obama, along with her daughters, sasha and malia, they visited mandela, reading a book with him. and also talking with him. obviously, mandela, south africa's first black president, a huge inspiration to the u.s.'s first black president and his family. >> tahman bradley, live in washington for us this morning. thank you. >>> you heard tahman reference that memorial service that will be held in a football stadium. it's just part of a logistical nightmare south african officials are now facing. >> in addition to the obamas, it's likely that most of the other living u.s. presidents will travel to south africa. dozens of other high-level dignitaries will also attend. the events are being likened to organizing a world cup, plus an inauguration and a coronation, all at the same time. >>> former president clinton was in office when nelson mandela took power. and their families became close. we will remember him as a man of uncommon grace and compassion. for whom abandoning bitterness was a way of life. >>> mandela's two youngest daughters were in london at the time of his deat